Gas pressure regulator



FIG. 1 is a front view of the gas pressure regulator;

FIG. 2 is a perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is another perspective view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a gas pressure regulator, as shown and described. 